/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #00B894;
            --primary-dark: #00997A;
            --accent: #FF7A1A;
            --bg: #F5F7F6;
            --surface: #FFFFFF;
            --ink: #14201E;
            --muted: #64706D;
            --line: #E2E8E6;
            --deep: #0A1A17;
            --gradient: linear-gradient(135deg, #00B894 0%, #00D2A8 45%, #FF7A1A 135%);
            --shadow-sm: 0 2px 8px rgba(20, 32, 30, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 184, 148, 0.12);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-pill: 20px;
            --container: 1200px;
            --space-section: 96px;
            --space-section-mobile: 64px;
        }

        /* ===== Base Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--accent);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--ink);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--muted);
            margin-bottom: 32px;
            max-width: 640px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1;
            transition: all 0.28s ease;
            min-height: 44px;
            border: 1px solid transparent;
            outline: none;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.35);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 122, 26, 0.3);
        }

        .btn-primary:hover {
            background: #ff8a3a;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 122, 26, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 122, 26, 0.3);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-ghost-dark {
            background: transparent;
            border-color: var(--ink);
            color: var(--ink);
        }

        .btn-ghost-dark:hover {
            background: rgba(0, 184, 148, 0.08);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .btn-gradient {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 184, 148, 0.35);
        }

        .btn-gradient:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 122, 26, 0.3);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(20, 32, 30, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: 1320px;
            margin: 0 auto;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ink);
            line-height: 1;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--ink);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: #EFF4F2;
            color: var(--ink);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            background: rgba(0, 184, 148, 0.1);
            color: var(--primary-dark);
        }

        .nav-chip.active {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 2px 8px rgba(0, 184, 148, 0.3);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: #EFF4F2;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--ink);
            transition: background 0.25s;
        }

        .menu-toggle:hover {
            background: rgba(0, 184, 148, 0.15);
        }

        .mobile-nav {
            display: none;
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            padding: 16px 24px;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav .nav-chip {
            width: 100%;
            justify-content: center;
        }

        .mobile-nav .mobile-cta {
            margin-top: 8px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-color: var(--deep);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 120px 0 100px;
            overflow: hidden;
            color: #fff;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 30%, rgba(0, 184, 148, 0.4) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 26, 23, 0.85) 0%, rgba(10, 26, 23, 0.5) 100%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.85rem;
            color: #B8C6C2;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: #B8C6C2;
            margin-bottom: 36px;
            max-width: 560px;
            line-height: 1.7;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .stat-badge {
            background: var(--gradient);
            border-radius: var(--radius-lg);
            padding: 18px 28px;
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 140px;
            box-shadow: 0 8px 24px rgba(0, 184, 148, 0.35);
        }

        .stat-badge .num {
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.2;
        }

        .stat-badge .label {
            font-size: 0.85rem;
            opacity: 0.9;
            margin-top: 4px;
        }

        /* ===== Gameplay ===== */
        .gameplay {
            background: var(--surface);
        }

        .gameplay .chips-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .play-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: #EFF4F2;
            color: var(--ink);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .play-chip:hover {
            background: rgba(0, 184, 148, 0.1);
            color: var(--primary-dark);
        }

        .play-chip.active {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 2px 8px rgba(0, 184, 148, 0.3);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .play-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .play-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(0, 184, 148, 0.3);
        }

        .play-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 184, 148, 0.15), rgba(255, 122, 26, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .play-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--ink);
        }

        .play-card p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(0, 184, 148, 0.1);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* ===== Rewards ===== */
        .rewards {
            background: var(--bg);
        }

        .rewards-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .reward-list {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .reward-row {
            display: grid;
            grid-template-columns: 100px 1fr 120px;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid var(--line);
            transition: background 0.25s;
        }

        .reward-row:last-child {
            border-bottom: none;
        }

        .reward-row:hover {
            background: rgba(0, 184, 148, 0.04);
        }

        .reward-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--gradient);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
            width: fit-content;
        }

        .reward-name {
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
        }

        .reward-value {
            font-size: 0.95rem;
            color: var(--accent);
            font-weight: 700;
            text-align: right;
        }

        .reward-side {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            background-color: var(--deep);
        }

        .reward-side::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 184, 148, 0.5), rgba(10, 26, 23, 0.7));
        }

        .reward-pool {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 40px;
        }

        .reward-pool .pool-label {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            opacity: 0.85;
            margin-bottom: 12px;
        }

        .reward-pool .pool-num {
            font-size: clamp(2.4rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .reward-pool .pool-sub {
            font-size: 0.9rem;
            opacity: 0.8;
        }

        /* ===== Tasks ===== */
        .tasks {
            background: var(--surface);
        }

        .tasks-wrap {
            background: #E8F7F2;
            border-radius: calc(var(--radius-lg) + 8px);
            padding: 48px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .steps-row {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            position: relative;
        }

        .step-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            flex: 1;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--surface);
            border: 2px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--muted);
            margin-bottom: 12px;
            transition: all 0.3s;
        }

        .step-item.active .step-num {
            background: var(--gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 14px rgba(0, 184, 148, 0.4);
        }

        .step-text {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--ink);
        }

        .step-line {
            height: 2px;
            flex: 0.6;
            background: var(--line);
            margin-top: 24px;
        }

        .step-line.done {
            background: var(--primary);
        }

        .ring-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .progress-ring {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: conic-gradient(var(--primary) 0deg 252deg, #d4e8e2 252deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .progress-ring::before {
            content: '';
            width: 136px;
            height: 136px;
            border-radius: 50%;
            background: #E8F7F2;
            position: absolute;
        }

        .ring-value {
            position: relative;
            z-index: 2;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
        }

        .ring-value small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--muted);
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--deep);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 90px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 184, 148, 0.35) 0%, rgba(10, 26, 23, 0.8) 70%);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-desc {
            font-size: 1rem;
            color: #B8C6C2;
            margin-bottom: 32px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Latest News (CMS) ===== */
        .latest-news {
            background: var(--bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
            margin-top: 36px;
        }

        .news-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            height: 100%;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .news-card .news-cat {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(0, 184, 148, 0.1);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 16px;
            align-self: flex-start;
        }

        .news-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 12px;
            line-height: 1.5;
            color: var(--ink);
        }

        .news-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--line);
        }

        .news-meta time {
            font-size: 0.85rem;
            color: var(--muted);
        }

        .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .news-link:hover {
            color: var(--accent);
        }

        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--muted);
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--line);
        }

        .news-empty i {
            font-size: 2rem;
            color: var(--line);
            margin-bottom: 12px;
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--surface);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .faq-item:hover {
            border-color: rgba(0, 184, 148, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--ink);
            cursor: pointer;
            user-select: none;
            transition: color 0.3s;
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #EFF4F2;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--muted);
            transition: all 0.3s;
            flex-shrink: 0;
        }

        .faq-question.open {
            color: var(--primary-dark);
        }

        .faq-question.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep);
            color: #B8C6C2;
            padding: 64px 0 0;
            border-top: 3px solid transparent;
            border-image: var(--gradient) 1;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand {
            max-width: 340px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #8a9d98;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col a {
            color: #8a9d98;
            font-size: 0.9rem;
            transition: color 0.25s;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: #6b7d78;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .header-inner {
                padding: 12px 16px;
            }

            .nav-chips {
                display: none;
            }

            .header-cta .btn {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .mobile-nav {
                display: none;
            }

            .mobile-nav.open {
                display: flex;
            }

            .rewards-wrap {
                grid-template-columns: 1fr;
            }

            .tasks-wrap {
                grid-template-columns: 1fr;
                padding: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 639px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero {
                padding: 80px 0 64px;
            }

            .hero-stats {
                gap: 10px;
            }

            .stat-badge {
                padding: 14px 20px;
                min-width: 110px;
            }

            .stat-badge .num {
                font-size: 1.4rem;
            }

            .card-grid {
                grid-template-columns: 1fr;
            }

            .reward-row {
                grid-template-columns: 70px 1fr 80px;
                padding: 16px;
            }

            .reward-value {
                font-size: 0.85rem;
            }

            .steps-row {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }

            .step-line {
                width: 2px;
                height: 24px;
                flex: none;
                margin: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .btn {
                width: 100%;
            }

            .hero-btns {
                flex-direction: column;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category1 */
:root {
            --primary: #00B894;
            --primary-dark: #00997A;
            --accent: #FF7A1A;
            --bg: #F5F7F6;
            --surface: #FFFFFF;
            --ink: #14201E;
            --muted: #64706D;
            --line: #E2E8E6;
            --deep: #0A1A17;
            --gradient: linear-gradient(135deg, #00B894 0%, #00D2A8 45%, #FF7A1A 135%);
            --radius-lg: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 2px 8px rgba(20, 32, 30, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 184, 148, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            font-size: 1rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
        }

        .section-gap {
            padding: 96px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 1rem;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(0, 184, 148, 0.35);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 4px 14px rgba(0, 184, 148, 0.28);
        }

        .btn-primary:hover {
            background: var(--gradient);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 184, 148, 0.34);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(0, 184, 148, 0.24);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 122, 26, 0.26);
        }

        .btn-accent:hover {
            background: #f06a05;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 122, 26, 0.32);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.72);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            height: 38px;
            padding: 0 20px;
            font-size: 0.875rem;
        }

        /* ========== 页头 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 1px 12px rgba(20, 32, 30, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ink);
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--ink);
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--gradient);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0, 184, 148, 0.3);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 16px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--ink);
            background: #EFF4F2;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            background: #e2ece9;
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .nav-chip.active {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 3px 10px rgba(0, 184, 148, 0.24);
            border-color: transparent;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--ink);
            cursor: pointer;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
        }

        .menu-toggle:hover {
            background: #EFF4F2;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            padding: 20px 24px 28px;
            border-bottom: 1px solid var(--line);
            box-shadow: 0 16px 30px rgba(20, 32, 30, 0.08);
            transform: translateY(-12px);
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
        }

        .mobile-drawer.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer .nav-chips {
            flex-direction: column;
            align-items: stretch;
            gap: 10px;
        }

        .mobile-drawer .nav-chip {
            width: 100%;
            justify-content: flex-start;
        }

        /* ========== Hero / 分类页头 ========== */
        .page-hero {
            position: relative;
            padding: 160px 0 72px;
            background: var(--deep);
            overflow: hidden;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(0, 184, 148, 0.28) 0%, rgba(10, 26, 23, 0.82) 58%),
                linear-gradient(120deg, rgba(10, 26, 23, 0.95) 0%, rgba(10, 26, 23, 0.55) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #EAF7F3;
            font-size: 0.8125rem;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .hero-tag i {
            color: var(--primary);
        }

        .page-hero h1 {
            color: #fff;
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-sub {
            color: #B8C6C2;
            font-size: 1.0625rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== 数据徽章 ========== */
        .scoreboard {
            position: relative;
            z-index: 3;
            margin-top: -32px;
            padding-bottom: 72px;
        }

        .scoreboard-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            border: 1px solid var(--line);
        }

        .score-badge {
            background: var(--gradient);
            border-radius: 14px;
            padding: 18px 14px;
            text-align: center;
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            box-shadow: 0 6px 18px rgba(0, 184, 148, 0.2);
        }

        .score-num {
            font-size: 1.5rem;
            font-weight: 800;
            line-height: 1.2;
        }

        .score-label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.82);
        }

        /* ========== 攻略特色 ========== */
        .feature-section {
            padding: 80px 0;
        }

        .feature-grid {
            row-gap: 20px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            padding: 32px 26px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 184, 148, 0.3);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(0, 184, 148, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feature-card p {
            color: var(--muted);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        /* ========== 图文混排块 ========== */
        .guided-section {
            background: var(--surface);
            padding: 96px 0;
        }

        .guide-block {
            display: flex;
            align-items: center;
            gap: 56px;
            margin-bottom: 72px;
        }

        .guide-block:last-child {
            margin-bottom: 0;
        }

        .guide-block .block-media,
        .guide-block .block-text {
            flex: 1;
        }

        .guide-block .block-media img {
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 32px rgba(20, 32, 30, 0.1);
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }

        .block-tag {
            display: inline-flex;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8125rem;
            font-weight: 600;
            background: rgba(0, 184, 148, 0.1);
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .block-tag.tag-orange {
            background: rgba(255, 122, 26, 0.12);
            color: #e0600a;
        }

        .block-tag.tag-blue {
            background: rgba(0, 168, 150, 0.1);
            color: var(--primary-dark);
        }

        .guide-block h2 {
            font-size: clamp(1.4rem, 2vw, 1.8rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .guide-block p {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .block-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 14px;
        }

        .block-list li {
            font-size: 0.875rem;
            color: var(--ink);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .block-list li i {
            color: var(--primary);
            font-size: 0.75rem;
        }

        .guide-block.reverse {
            flex-direction: row-reverse;
        }

        /* ========== 流程步骤 ========== */
        .steps-section {
            padding: 96px 0;
            background: #E8F7F2;
        }

        .steps-track {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            gap: 0;
        }

        .step-item {
            flex: 1;
            max-width: 240px;
            text-align: center;
            padding: 12px 8px;
            position: relative;
        }

        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--muted);
            margin-bottom: 14px;
            transition: all 0.3s ease;
        }

        .step-item.active .step-num {
            background: var(--gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 6px 16px rgba(0, 184, 148, 0.3);
        }

        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .step-item p {
            color: var(--muted);
            font-size: 0.875rem;
        }

        .step-line {
            flex: 1;
            max-width: 80px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            margin-top: 36px;
            border-radius: 3px;
            opacity: 0.4;
            position: relative;
        }

        /* ========== 推荐攻略卡片 ========== */
        .guide-cards-section {
            padding: 96px 0;
        }

        .guide-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .guide-card .card-media {
            aspect-ratio: 16/9;
            width: 100%;
            object-fit: cover;
        }

        .guide-card .card-content {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-card .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .guide-card .card-tag {
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 20px;
            background: rgba(0, 184, 148, 0.1);
            color: var(--primary-dark);
        }

        .guide-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .guide-card p {
            color: var(--muted);
            font-size: 0.875rem;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .guide-card .card-meta {
            margin-top: auto;
            font-size: 0.8125rem;
            color: var(--muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .guide-card .card-link {
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.875rem;
        }

        .guide-card .card-link:hover {
            color: var(--accent);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 96px 0;
            background: var(--surface);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            border: none;
        }

        .faq-list .accordion-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-list .accordion-item.is-active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 184, 148, 0.08);
        }

        .faq-list .accordion-title {
            background: #fff;
            color: var(--ink) !important;
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 54px 20px 22px;
            border: none;
            position: relative;
            line-height: 1.5;
        }

        .faq-list .accordion-title:hover {
            color: var(--primary-dark) !important;
            background: #f8fbfa;
        }

        .faq-list .accordion-title::before,
        .faq-list .accordion-title::after {
            content: '';
            position: absolute;
            right: 22px;
            top: 50%;
            width: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        .faq-list .accordion-title::after {
            transform: rotate(90deg);
        }

        .faq-list .accordion-item.is-active .accordion-title::after {
            transform: rotate(0deg);
            opacity: 0.4;
        }

        .faq-list .accordion-content {
            background: #fff;
            border: none;
            padding: 0 22px 20px;
            color: var(--muted);
            font-size: 0.9375rem;
            line-height: 1.8;
        }

        .faq-list .accordion-content p {
            margin-bottom: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 96px 0;
            position: relative;
            background: var(--deep);
            overflow: hidden;
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .cta-section .cta-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 184, 148, 0.18) 0%, rgba(10, 26, 23, 0.86) 70%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: #fff;
            font-size: clamp(1.6rem, 2.4vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-content p {
            color: #B8C6C2;
            font-size: 1rem;
            margin-bottom: 28px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0A1A17;
            border-top: 2px solid transparent;
            border-image: linear-gradient(90deg, #00B894, #00D2A8, #FF7A1A) 1;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            color: #8FA39D;
            font-size: 0.9375rem;
            max-width: 340px;
            line-height: 1.8;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            color: #8FA39D;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-bottom {
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-bottom p {
            color: #6C7F79;
            font-size: 0.8125rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023.98px) {
            .nav-chips.main-nav {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .mobile-drawer {
                display: block;
            }

            .guide-block {
                flex-direction: column;
                gap: 32px;
            }

            .guide-block.reverse {
                flex-direction: column;
            }

            .block-media {
                width: 100%;
            }

            .scoreboard-inner {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-track {
                flex-direction: column;
                align-items: stretch;
                max-width: 400px;
                margin: 0 auto 32px;
            }

            .step-item {
                max-width: none;
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 8px 0;
            }

            .step-item p {
                font-size: 0.8125rem;
            }

            .step-num {
                flex-shrink: 0;
                margin-bottom: 0;
            }

            .step-line {
                width: 3px;
                height: 28px;
                max-width: none;
                margin: 0 0 0 25px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 639.98px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-gap,
            .faq-section,
            .guide-cards-section,
            .steps-section,
            .guided-section {
                padding: 64px 0;
            }

            .page-hero {
                padding: 130px 0 56px;
            }

            .page-hero h1 {
                font-size: 2.1rem;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .scoreboard-inner {
                grid-template-columns: 1fr 1fr;
                padding: 12px;
                gap: 10px;
            }

            .score-badge {
                padding: 14px 8px;
            }

            .score-num {
                font-size: 1.25rem;
            }

            .feature-grid .cell {
                margin-bottom: 16px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .guide-block {
                margin-bottom: 48px;
            }

            .guide-block .block-media img {
                aspect-ratio: 16/12;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #00B894;
            --primary-dark: #00997A;
            --accent: #FF7A1A;
            --bg: #F5F7F6;
            --surface: #FFFFFF;
            --ink: #14201E;
            --muted: #64706D;
            --line: #E2E8E6;
            --deep: #0A1A17;
            --gradient: linear-gradient(135deg, #00B894 0%, #00D2A8 45%, #FF7A1A 135%);
            --radius-lg: 16px;
            --radius-md: 10px;
            --shadow-sm: 0 2px 8px rgba(20, 32, 30, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 184, 148, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: all 0.3s ease;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
        ul, ol { list-style: none; }
        button { border: none; background: none; cursor: pointer; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--ink); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            padding: 12px 28px; border-radius: var(--radius-md);
            font-size: 1rem; font-weight: 600; line-height: 1.4;
            min-height: 44px; transition: var(--transition); white-space: nowrap;
        }
        .btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(255, 122, 26, 0.3); }
        .btn-accent:hover { box-shadow: 0 8px 24px rgba(255, 122, 26, 0.4); transform: translateY(-2px); color: #fff; }
        .btn-accent:active { transform: translateY(0); }
        .btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 4px 12px rgba(0, 184, 148, 0.25); }
        .btn-primary:hover { box-shadow: 0 8px 20px rgba(0, 184, 148, 0.35); transform: translateY(-2px); color: #fff; }
        .btn-outline { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
        .btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); background: rgba(0, 184, 148, 0.06); transform: translateY(-2px); }
        .btn:focus-visible { outline: 3px solid rgba(0, 184, 148, 0.3); outline-offset: 2px; }
        .btn-sm { padding: 8px 18px; font-size: 0.875rem; min-height: 38px; }

        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(20, 32, 30, 0.04);
            position: sticky; top: 0; z-index: 100;
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
        .logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 800; color: var(--ink); }
        .logo:hover { color: var(--primary-dark); }
        .logo-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: 10px;
            background: var(--gradient); color: #fff; font-size: 1.1rem; font-weight: 800;
            box-shadow: 0 4px 10px rgba(0, 184, 148, 0.3);
        }
        .nav-chips { display: flex; align-items: center; gap: 6px; }
        .nav-chip {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 6px 18px; border-radius: 20px;
            background: #EFF4F2; color: var(--ink);
            font-size: 0.9rem; font-weight: 500; line-height: 1.5;
            transition: var(--transition); min-height: 36px;
        }
        .nav-chip:hover { background: rgba(0, 184, 148, 0.12); color: var(--primary-dark); }
        .nav-chip.active { background: var(--gradient); color: #fff; box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .nav-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; background: #EFF4F2; color: var(--ink); font-size: 1.2rem; align-items: center; justify-content: center; transition: var(--transition); }
        .nav-toggle:hover { background: rgba(0, 184, 148, 0.12); }
        .mobile-nav { display: none; background: var(--surface); border-top: 1px solid var(--line); padding: 8px 24px 16px; }
        .mobile-nav.open { display: block; }
        .mobile-link {
            display: block; padding: 12px 14px; border-radius: 10px;
            color: var(--ink); font-size: 1rem; font-weight: 500;
            transition: var(--transition);
        }
        .mobile-link:hover { background: rgba(0, 184, 148, 0.08); color: var(--primary-dark); }

        .breadcrumb-bar { background: #EDF2F0; border-bottom: 1px solid var(--line); padding: 14px 0; }
        .breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 0.875rem; color: var(--muted); }
        .breadcrumb-list a { color: var(--primary-dark); }
        .breadcrumb-list a:hover { color: var(--accent); }
        .crumb-sep { color: #B5C0BD; }
        .crumb-current { color: var(--muted); max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

        .article-section { padding: 56px 0 72px; }
        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            max-width: 920px; margin: 0 auto;
            padding: 48px 56px;
            border: 1px solid rgba(226, 232, 230, 0.5);
        }
        .article-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.3; margin-bottom: 18px; color: var(--ink); }
        .article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; padding-bottom: 24px; margin-bottom: 32px; border-bottom: 1px solid var(--line); font-size: 0.875rem; color: var(--muted); }
        .article-meta i { margin-right: 4px; color: var(--primary); }
        .article-meta .meta-cat { background: rgba(0, 184, 148, 0.08); color: var(--primary-dark); padding: 2px 12px; border-radius: 20px; font-weight: 500; }
        .article-content { max-width: 720px; margin: 0 auto; font-size: 1.0625rem; line-height: 1.85; color: #263230; }
        .article-content h2 { font-size: 1.5rem; font-weight: 700; margin: 2.5rem 0 1rem; padding-left: 1rem; border-left: 4px solid var(--primary); }
        .article-content h3 { font-size: 1.25rem; font-weight: 600; margin: 2rem 0 0.75rem; }
        .article-content h4 { font-size: 1.125rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
        .article-content p { margin-bottom: 1.5rem; }
        .article-content ul { list-style: disc; margin: 0 0 1.5rem; padding-left: 1.5rem; }
        .article-content ol { list-style: decimal; margin: 0 0 1.5rem; padding-left: 1.5rem; }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(0, 184, 148, 0.06);
            padding: 1rem 1.5rem; margin: 1.5rem 0;
            border-radius: 0 10px 10px 0;
            color: var(--muted); font-style: italic;
        }
        .article-content img { border-radius: 12px; margin: 1.5rem auto; box-shadow: var(--shadow-sm); }
        .article-content a { color: var(--primary-dark); text-decoration: underline; }
        .article-content a:hover { color: var(--accent); }
        .article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9375rem; }
        .article-content th { background: rgba(0, 184, 148, 0.08); padding: 10px 14px; text-align: left; font-weight: 600; border: 1px solid var(--line); }
        .article-content td { padding: 10px 14px; border: 1px solid var(--line); }
        .article-content code { background: #F0F3F2; padding: 2px 8px; border-radius: 4px; font-size: 0.9rem; font-family: "SFMono-Regular", Consolas, monospace; }

        .article-actions { display: flex; justify-content: center; margin-top: 32px; gap: 12px; }

        .not-found { text-align: center; padding: 60px 24px; max-width: 640px; margin: 0 auto; }
        .not-found i { font-size: 3.5rem; color: var(--primary); margin-bottom: 20px; opacity: 0.4; }
        .not-found h1 { font-size: 1.75rem; font-weight: 800; margin-bottom: 12px; }
        .not-found p { color: var(--muted); margin-bottom: 28px; }

        .related-section { padding: 72px 0; background: var(--bg); border-top: 1px solid var(--line); }
        .section-head { text-align: center; margin-bottom: 40px; }
        .section-head h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 800; position: relative; display: inline-block; }
        .section-head h2::after {
            content: ''; display: block; width: 48px; height: 4px;
            background: var(--gradient); border-radius: 2px; margin: 12px auto 0;
        }
        .related-grid { row-gap: 20px; }
        .related-card {
            display: flex; align-items: center; gap: 16px;
            background: var(--surface); border-radius: var(--radius-lg);
            padding: 16px; box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 230, 0.5);
            transition: var(--transition); height: 100%;
        }
        .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .related-thumb { flex-shrink: 0; width: 120px; height: 84px; border-radius: 10px; overflow: hidden; }
        .related-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .related-body { flex: 1; min-width: 0; }
        .related-body h3 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 4px; color: var(--ink); }
        .related-card:hover .related-body h3 { color: var(--accent); }
        .related-body p { font-size: 0.875rem; color: var(--muted); line-height: 1.5; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-tag { font-size: 0.75rem; color: var(--primary-dark); background: rgba(0, 184, 148, 0.08); padding: 2px 10px; border-radius: 20px; }

        .cta-section {
            background: var(--deep);
            position: relative; overflow: hidden;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section::before {
            content: ''; position: absolute; width: 700px; height: 700px; border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 184, 148, 0.22) 0%, transparent 65%);
            top: -300px; left: 50%; transform: translateX(-50%);
        }
        .cta-section::after {
            content: ''; position: absolute; width: 400px; height: 400px; border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 122, 26, 0.12) 0%, transparent 70%);
            bottom: -150px; right: 10%;
        }
        .cta-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
        .cta-inner h2 { color: #fff; font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 16px; }
        .cta-inner p { color: #B8C6C2; font-size: 1.0625rem; margin-bottom: 32px; line-height: 1.7; }
        .cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
        .btn-white { background: #fff; color: var(--deep); box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2); }
        .btn-white:hover { box-shadow: 0 8px 28px rgba(255, 255, 255, 0.3); transform: translateY(-2px); color: var(--deep); }
        .btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.4); }
        .btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); color: #fff; transform: translateY(-2px); }

        .site-footer { background: var(--deep); color: #B8C6C2; padding-top: 64px; border-top: 4px solid transparent; border-image: var(--gradient) 1; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9375rem; line-height: 1.7; max-width: 380px; }
        .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 18px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { font-size: 0.9rem; color: #B8C6C2; transition: var(--transition); }
        .footer-col ul a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; text-align: center; font-size: 0.8125rem; color: #7A8F8A; }

        @media (max-width: 1023px) {
            .nav-chips { display: none; }
            .nav-toggle { display: flex; }
            .header-inner { flex-wrap: wrap; }
            .mobile-nav { flex-basis: 100%; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 767px) {
            .article-section { padding: 32px 0 48px; }
            .article-card { padding: 28px 20px; border-radius: 12px; }
            .article-title { font-size: 1.4rem; }
            .article-meta { gap: 12px; }
            .related-card { flex-direction: column; align-items: flex-start; }
            .related-thumb { width: 100%; height: 160px; }
            .cta-section { padding: 56px 0; }
            .cta-buttons { flex-direction: column; align-items: center; }
            .cta-buttons .btn { width: 100%; max-width: 280px; }
        }
        @media (max-width: 639px) {
            .container { padding: 0 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .breadcrumb-bar { padding: 10px 0; }
            .article-actions { flex-direction: column; align-items: center; }
            .article-actions .btn { width: 100%; max-width: 280px; }
        }
        @media (max-width: 520px) {
            .header-actions .btn-accent span { display: none; }
            .header-actions .btn-accent { padding: 10px 14px; min-height: 38px; font-size: 0.9rem; }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #00B894;
            --primary-dark: #00997A;
            --accent: #FF7A1A;
            --bg: #F5F7F6;
            --surface: #FFFFFF;
            --ink: #14201E;
            --muted: #64706D;
            --line: #E2E8E6;
            --deep: #0A1A17;
            --deep-soft: #122824;
            --gradient: linear-gradient(135deg, #00B894 0%, #00D2A8 45%, #FF7A1A 135%);
            --shadow-sm: 0 2px 8px rgba(20, 32, 30, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 184, 148, 0.12);
            --radius: 16px;
            --radius-sm: 10px;
            --content-width: 1200px;
            --spacer: 96px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            display: block;
        }

        button, input {
            font-family: inherit;
        }

        ul, ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(255, 122, 26, 0.3);
        }

        .btn-primary:hover {
            background: #ff8a35;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 122, 26, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 122, 26, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-gradient {
            background: var(--gradient);
            color: #FFFFFF;
            box-shadow: 0 4px 16px rgba(0, 184, 148, 0.3);
        }

        .btn-gradient:hover {
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 184, 148, 0.35);
        }

        .btn:focus-visible,
        .nav-chip:focus-visible,
        .accordion-title:focus-visible {
            outline: 3px solid rgba(0, 184, 148, 0.4);
            outline-offset: 2px;
        }

        /* ===== 页头导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(20, 32, 30, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            flex-wrap: wrap;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--ink);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 1rem;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 16px;
            border-radius: 20px;
            background: #EFF4F2;
            color: var(--ink);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .nav-chip:hover {
            background: #E0EAE6;
            color: var(--ink);
        }

        .nav-chip.active {
            background: var(--gradient);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(0, 184, 148, 0.25);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            background: var(--surface);
            border-radius: 10px;
            color: var(--ink);
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .menu-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 96px 0 80px;
            background: var(--deep);
            color: #FFFFFF;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 26, 23, 0.92) 20%, rgba(0, 184, 148, 0.55) 70%, rgba(255, 122, 26, 0.35) 100%),
                        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 75% 30%, rgba(0, 210, 168, 0.45) 0%, transparent 55%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .breadcrumb {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

        .breadcrumb a:hover {
            color: #FFFFFF;
        }

        .hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-sub {
            font-size: 1.05rem;
            line-height: 1.8;
            color: #B8C6C2;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-text-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.4);
            padding-bottom: 2px;
            transition: all 0.2s ease;
        }

        .hero-text-link:hover {
            color: #FFFFFF;
            border-color: #FFFFFF;
        }

        /* ===== 子分类 chips ===== */
        .sub-nav-section {
            padding: 40px 0 8px;
        }

        .sub-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .sub-chip {
            display: inline-flex;
            align-items: center;
            height: 38px;
            padding: 0 18px;
            border-radius: 20px;
            background: var(--surface);
            border: 1px solid var(--line);
            color: var(--muted);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s ease;
            cursor: default;
        }

        .sub-chip.active {
            background: #E8F7F2;
            border-color: var(--primary);
            color: var(--primary-dark);
            font-weight: 600;
        }

        .sub-chip:not(.active):hover {
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        /* ===== 图文混排 ===== */
        .feature-section {
            padding: 64px 0 32px;
        }

        .feature-block {
            display: flex;
            align-items: center;
            gap: 56px;
            margin-bottom: 48px;
        }

        .feature-block.reverse {
            flex-direction: row-reverse;
        }

        .feature-media {
            flex: 0 0 48%;
        }

        .feature-media img {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .feature-content {
            flex: 1;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            height: 28px;
            padding: 0 12px;
            border-radius: 14px;
            background: #E8F7F2;
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .feature-content h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .feature-content p {
            color: var(--muted);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ink);
            font-size: 0.95rem;
            font-weight: 500;
        }

        .feature-list i {
            color: var(--primary);
            font-size: 0.9rem;
        }

        /* ===== 奖品池数据区 ===== */
        .prize-section {
            position: relative;
            padding: 96px 0;
            background: var(--deep);
            color: #FFFFFF;
            overflow: hidden;
            margin: 48px 0 32px;
        }

        .prize-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 26, 23, 0.9) 0%, rgba(0, 184, 148, 0.4) 60%, rgba(255, 122, 26, 0.25) 100%),
                        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        }

        .prize-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .prize-section h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .prize-desc {
            color: #B8C6C2;
            max-width: 560px;
            margin: 0 auto 48px;
        }

        .prize-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 64px;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 28px 16px;
            backdrop-filter: blur(6px);
            transition: transform 0.25s ease, background 0.25s ease;
        }

        .stat-item:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.14);
        }

        .stat-num {
            display: block;
            font-size: clamp(1.5rem, 2.6vw, 2.2rem);
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.875rem;
            color: #B8C6C2;
        }

        .prize-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            text-align: left;
        }

        .step-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 28px;
            transition: all 0.25s ease;
        }

        .step-item:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-item p {
            color: #B8C6C2;
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0 64px;
        }

        .faq-section h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-accordion .accordion-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-item.is-active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 184, 148, 0.08);
        }

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 24px;
            background: var(--surface);
            border-bottom: 1px solid transparent;
            color: var(--ink);
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
            transition: color 0.2s ease;
        }

        .faq-accordion .accordion-title:hover {
            color: var(--primary-dark);
            background: var(--surface);
        }

        .faq-accordion .accordion-title::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--muted);
            transition: transform 0.25s ease;
            margin-left: auto;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            content: '−';
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-q-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #E8F7F2;
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-accordion .accordion-content {
            padding: 0 24px 20px 64px;
            background: var(--surface);
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-accordion .accordion-content p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: var(--deep);
            text-align: center;
            color: #FFFFFF;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(0, 184, 148, 0.5), transparent 65%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(255, 122, 26, 0.4), transparent 65%);
            border-radius: 50%;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: #B8C6C2;
            margin-bottom: 28px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 80px 0;
        }

        .related-section h2 {
            font-size: clamp(1.5rem, 2.2vw, 2rem);
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 20px;
        }

        .related-card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--ink);
            transition: color 0.2s ease;
        }

        .related-card:hover .related-card-body h3 {
            color: var(--accent);
        }

        .related-card-body p {
            color: var(--muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .text-link {
            color: var(--primary-dark);
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .text-link i {
            transition: transform 0.2s ease;
        }

        .text-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--deep);
            color: #B8C6C2;
            border-top: 3px solid transparent;
            border-image: var(--gradient) 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding: 64px 0 40px;
        }

        .footer-brand .logo {
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-brand .logo:hover {
            color: #FFFFFF;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #8CA09B;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: #8CA09B;
            font-size: 0.9rem;
            transition: color 0.2s ease;
        }

        .footer-col ul a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: #6E8580;
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1023px) {
            .header-inner {
                flex-wrap: nowrap;
                min-height: 64px;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .nav-chips {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--surface);
                border-bottom: 1px solid var(--line);
                box-shadow: 0 12px 24px rgba(20, 32, 30, 0.08);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 8px;
            }

            .site-header.nav-open .nav-chips {
                display: flex;
            }

            .nav-chip {
                justify-content: center;
                width: 100%;
                height: 42px;
            }

            .hero {
                padding: 72px 0 56px;
            }

            .prize-stats {
                grid-template-columns: repeat(2, 1fr);
            }

            .prize-steps {
                grid-template-columns: 1fr;
            }

            .related-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --spacer: 64px;
            }

            .container {
                padding: 0 16px;
            }

            .header-actions .nav-cta {
                display: none;
            }

            .feature-block,
            .feature-block.reverse {
                flex-direction: column;
                gap: 24px;
            }

            .feature-media {
                flex: 1 1 auto;
            }

            .feature-list {
                grid-template-columns: 1fr;
            }

            .prize-section {
                padding: 64px 0;
                margin: 24px 0;
            }

            .prize-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item {
                padding: 20px 12px;
            }

            .prize-steps {
                grid-template-columns: 1fr;
            }

            .faq-accordion .accordion-content {
                padding: 0 20px 20px;
            }

            .cta-section {
                padding: 56px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 0 24px;
            }
        }

        @media (max-width: 639px) {
            .hero h1 {
                font-size: 2rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-text-link {
                margin-top: 4px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #00B894;
            --primary-dark: #00997A;
            --primary-light: #E8F7F2;
            --accent: #FF7A1A;
            --accent-light: #FFF3EB;
            --bg: #F5F7F6;
            --surface: #FFFFFF;
            --ink: #14201E;
            --muted: #64706D;
            --line: #E2E8E6;
            --deep: #0A1A17;
            --deep-2: #0F2A25;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-pill: 20px;
            --shadow-sm: 0 2px 8px rgba(20, 32, 30, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 184, 148, 0.12);
            --gradient: linear-gradient(135deg, #00B894 0%, #00D2A8 45%, #FF7A1A 135%);
            --transition: all 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ---------- 通用按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            font-size: 0.938rem;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(255, 122, 26, 0.4);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: #ff8a33;
            color: #fff;
            border-color: #ff8a33;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 122, 26, 0.28);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-grad {
            background: var(--gradient);
            color: #fff;
            border-color: transparent;
        }
        .btn-grad:hover {
            filter: brightness(1.05);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 184, 148, 0.28);
        }
        .btn-grad:active {
            transform: translateY(0);
        }

        /* ---------- Header 导航 ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 1px 6px rgba(20, 32, 30, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 12px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--ink);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--gradient);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 16px;
            border-radius: var(--radius-pill);
            background: #EFF4F2;
            color: var(--ink);
            font-size: 0.875rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-chip:hover {
            background: #DEEBE7;
            color: var(--ink);
        }
        .nav-chip.active {
            background: var(--gradient);
            color: #fff;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            height: 40px;
            padding: 0 18px;
            border-radius: var(--radius-md);
            background: var(--accent);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .header-cta:hover {
            background: #ff8a33;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 122, 26, 0.25);
        }
        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: none;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 1.15rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: #d5ede5;
        }

        /* ---------- Hero ---------- */
        .hero-cat {
            background: var(--deep);
            color: #fff;
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .hero-cat::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }
        .hero-cat::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 32% 50%, rgba(0, 184, 148, 0.35) 0%, transparent 60%);
        }
        .hero-cat .container {
            position: relative;
            z-index: 2;
        }
        .hero-cat h1 {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 12px;
            color: #fff;
        }
        .hero-cat .hero-sub {
            color: #B8C6C2;
            font-size: 1.125rem;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 36px;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #7fd8c0;
            background: rgba(0, 184, 148, 0.15);
            border: 1px solid rgba(0, 184, 148, 0.35);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.813rem;
            font-weight: 500;
            margin-bottom: 18px;
            width: fit-content;
        }
        .hero-kicker i {
            font-size: 0.75rem;
        }

        /* Chips 子分类 */
        .topic-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .topic-chip {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            color: #DCE9E5;
            font-size: 0.813rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
        }
        .topic-chip:hover {
            background: var(--gradient);
            color: #fff;
            border-color: transparent;
        }

        /* ---------- 内页通用板块 ---------- */
        .site-section {
            padding: 80px 0;
        }
        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-dark);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.813rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 8px;
            color: var(--ink);
        }
        .section-head p {
            color: var(--muted);
            margin: 0;
            font-size: 1rem;
        }

        /* ---------- 图文混排块 ---------- */
        .mixed-block {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .mixed-block.reverse {
            flex-direction: row-reverse;
        }
        .mixed-media {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .mixed-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            display: block;
            transition: transform 0.4s ease;
        }
        .mixed-media:hover img {
            transform: scale(1.03);
        }
        .mixed-body {
            flex: 1;
        }
        .mixed-body .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-dark);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.813rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .mixed-body h2 {
            font-size: clamp(1.4rem, 2vw, 1.9rem);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 12px;
            color: var(--ink);
        }
        .mixed-body p {
            color: var(--muted);
            margin: 0;
        }
        .mixed-body .mixed-points {
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
            display: grid;
            gap: 10px;
        }
        .mixed-body .mixed-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--ink);
            font-size: 0.938rem;
        }
        .mixed-body .mixed-points li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ---------- 数据统计区 ---------- */
        .stats-band {
            background: var(--deep);
            color: #fff;
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .stats-band::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 184, 148, 0.22) 0%, transparent 75%);
        }
        .stats-band .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }
        .stat-value {
            font-size: clamp(2rem, 3vw, 2.8rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
        }
        .stat-value span {
            color: var(--accent);
        }
        .stat-label {
            color: #B8C6C2;
            margin-top: 8px;
            font-size: 0.875rem;
        }

        /* ---------- 流程步骤 ---------- */
        .flow-wrap {
            background: var(--primary-light);
            border-radius: 24px;
            padding: 48px 32px;
        }
        .timeline-flow {
            display: flex;
            gap: 0;
        }
        .timeline-step {
            flex: 1;
            position: relative;
            text-align: center;
            padding: 0 16px;
        }
        .timeline-step::after {
            content: "";
            position: absolute;
            top: 24px;
            left: calc(50% + 32px);
            width: calc(100% - 48px);
            height: 2px;
            background: rgba(0, 184, 148, 0.25);
        }
        .timeline-step:last-child::after {
            display: none;
        }
        .timeline-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 4px 16px rgba(0, 184, 148, 0.28);
            position: relative;
            z-index: 1;
            margin-bottom: 16px;
        }
        .timeline-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .timeline-step p {
            color: var(--muted);
            font-size: 0.875rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ---------- 推荐赛事卡片 ---------- */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--line);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: var(--transition);
        }
        .feat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feat-card .feat-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }
        .feat-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--ink);
            margin: 0;
        }
        .feat-card p {
            color: var(--muted);
            font-size: 0.9rem;
            margin: 0;
            flex: 1;
        }
        .feat-meta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-dark);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.813rem;
            font-weight: 500;
            align-self: flex-start;
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .faq-item[open] {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            list-style: none;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--ink);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--primary-dark);
        }
        .faq-icon {
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            color: var(--muted);
            font-size: 0.938rem;
        }
        .faq-answer p {
            margin: 0;
        }

        /* ---------- CTA ---------- */
        .cta-band {
            background: var(--deep);
            color: #fff;
            text-align: center;
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 184, 148, 0.3) 0%, transparent 70%);
        }
        .cta-band .container {
            position: relative;
            z-index: 2;
        }
        .cta-band h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 700;
            margin: 0 0 12px;
            color: #fff;
        }
        .cta-band p {
            color: #B8C6C2;
            margin: 0 auto 28px;
            max-width: 520px;
            font-size: 1rem;
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--deep);
            color: #C2CFCB;
            padding: 56px 0 0;
            border-top: 4px solid transparent;
            border-image: var(--gradient) 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: #8FB3A9;
            font-size: 0.875rem;
            line-height: 1.7;
            margin: 12px 0 0;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.938rem;
            font-weight: 600;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }
        .footer-col ul a {
            color: #8FB3A9;
            font-size: 0.875rem;
            transition: color 0.3s ease;
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            text-align: center;
        }
        .footer-bottom p {
            color: #6E8A82;
            font-size: 0.813rem;
            margin: 0;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1023px) {
            .menu-toggle {
                display: inline-flex;
            }
            .nav-chips {
                position: fixed;
                top: 72px;
                right: 0;
                width: 280px;
                background: var(--surface);
                border-radius: 0 0 0 16px;
                box-shadow: -4px 8px 24px rgba(20, 32, 30, 0.16);
                flex-direction: column;
                gap: 8px;
                padding: 16px;
                transform: translateX(105%);
                transition: transform 0.35s ease;
                z-index: 99;
            }
            .nav-chips.open {
                transform: translateX(0);
            }
            .nav-chip {
                width: 100%;
                justify-content: center;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .timeline-flow {
                flex-direction: column;
                gap: 28px;
                padding-left: 32px;
            }
            .timeline-step {
                text-align: left;
                padding: 0;
            }
            .timeline-step::before {
                content: "";
                position: absolute;
                left: -32px;
                top: 14px;
                width: 14px;
                height: 14px;
                border-radius: 50%;
                background: var(--primary);
                border: 3px solid #fff;
                box-shadow: 0 0 0 2px var(--primary);
                z-index: 1;
            }
            .timeline-step::after {
                left: -25px;
                top: 30px;
                bottom: -28px;
                width: 2px;
                height: auto;
                background: rgba(0, 184, 148, 0.25);
            }
            .timeline-step:last-child::after {
                display: none;
            }
            .timeline-dot {
                width: 40px;
                height: 40px;
                font-size: 1rem;
                margin-bottom: 8px;
            }
        }

        @media (max-width: 767px) {
            .site-section {
                padding: 56px 0;
            }
            .mixed-block,
            .mixed-block.reverse {
                flex-direction: column;
                gap: 24px;
            }
            .mixed-media img {
                aspect-ratio: 16 / 10;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-card {
                padding: 24px 12px;
            }
            .flow-wrap {
                padding: 32px 20px;
            }
        }

        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                height: 64px;
            }
            .header-cta {
                width: 40px;
                height: 40px;
                padding: 0;
                border-radius: 50%;
            }
            .header-cta span {
                display: none;
            }
            .header-cta i {
                font-size: 0.95rem;
            }
            .nav-chips {
                top: 64px;
            }
            .hero-cat {
                padding: 48px 0 40px;
            }
            .hero-actions {
                margin-bottom: 24px;
            }
            .hero-actions .btn {
                flex: 1;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .timeline-flow {
                padding-left: 28px;
            }
            .timeline-step::before {
                left: -28px;
            }
            .timeline-step::after {
                left: -21px;
            }
            .btn {
                height: 40px;
                font-size: 0.875rem;
                padding: 0 18px;
            }
        }